A second bite of the covid lab leak theory
It seems like aeons ago that the science was united in scoffing at Trump et al. for suggesting China had designed SARS-CoV-2 in a lab to wreak havoc on the world.
But now, the idea of a lab-grown virus – albeit one that escaped by accident rather than being deliberately unleashed – seems to have come in from the fringe. So what happened recently that has sparked such a resurgence?